The steps of asynchronous remote replication technology at multiple points in time. Which of the following statements is correct?
(1) A new time slice (T2, P2) is generated in the cache of the primary LUN and the secondary LUN when each replication cycle starts
(2) The data newly written by the host is cached in the time slice T2 of the main LUN Cache, and the response host is completed
(3) The data received by the master and slave LUN will be downloaded to disk respectively
(4) Copy the data of time slice T1 directly to the slave LUN, and write it into the time slice P2 of the slave LUN

• A.(1) (3) (2) (4)
• B.(1) (2) (3) (4)
• C.(1) (2) (4) (3)
• D.(2) (1) (4) (3)

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Common backup topologies include Lan-Base, Lan-Free, and Server-Base.

• A.False
• B.True

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What are the data protection methods of RAID? (Multiple Choice)

• A.Parity check algorithm
• B.Data striping method
• C.JBOD
• D.Mirror

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Take Huawei OceanStor hybrid flash memory as an example. In the following description of hybrid flash memory, which options are correct? (Multiple Choice)

• A.Device Manager only supports command line management operations
• B.Smart Matrix comprehensive interconnection architecture and component full redundancy design, supporting Ac tire-Active working mode
• C.Support 0 hard disk types including SATA and ATA
• D.Provide advanced data protection technologies including Smart Tier and Smart Thin

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The SATA connector can support both SATA and SAS hard disks at the same time.

• A.False
• B.True

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